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Food safety and quality
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| Flavouring |
2-Acetyl-3,(5 or 6)-dimethylpyrazine |
| Synonym(s) |
Mixture of 3-Acetyl-2,5-dimethylpyrazine and 3-Acetyl-2,6-dimethylpyrazine |
| Latest JECFA evaluation |
2001 (Session 57) |
| Status of specification |
Full |
| Information required |
|
| Chemical name |
2-Acetyl-3,5-dimethylpyrazine and 3-Acetyl-2,5-dimethylpyrazine |
| JECFA number |
786 |
| CAS number |
54300-08-2;54300-09-3 |
| FEMA number |
3327 |
| COE number |
11294 |
| FLAVIS number |
|
| Molecular weight |
150.18 |
| Chemical formula |
C8H10ON2 |
| Physical form/odour |
colourless to pale yellow liquid with a popcorn, roasted hazelnut odour |
| Solubility |
soluble in water, organic solvents, oils |
| Solubility in ethanol |
miscible at room temperature |
| Boiling point (°C) |
70° (7 mm Hg) |
| Assay min % |
97% (sum of isomers) |
| Acid value max |
|
| Refractive index |
1.510-1.520 |
| Specific gravity |
1.070-1.075 |
| Other requirements |
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| ID Test |
IR |
| Spectrum |
 
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